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drm/amdgpu: refine vce3.0 initialize. 

1. disable vce cg when vce hw initialize.
2. initizlize vce clock to 10KHz fo dgpu,
   so no need to set bypass clock to vce.

Change-Id: I934c2c4820cc95c1bfa2fa41ff0f40a0d3cd1c40
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2017-01-10 19:54:25 +08:00 committed by Alex Deucher
parent 570272d229
commit 714b1f5371
2 changed files with 35 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
View File

@ -230,6 +230,10 @@ static int vce_v3_0_start(struct amdgpu_device *adev)
struct amdgpu_ring *ring;
int idx, r;
vce_v3_0_override_vce_clock_gating(adev, true);
if (!(adev->flags & AMD_IS_APU))
amdgpu_asic_set_vce_clocks(adev, 10000, 10000);
ring = &adev->vce.ring[0];
WREG32(mmVCE_RB_RPTR, ring->wptr);
WREG32(mmVCE_RB_WPTR, ring->wptr);
@ -708,18 +712,6 @@ static int vce_v3_0_process_interrupt(struct amdgpu_device *adev,
return 0;
}
static void vce_v3_0_set_bypass_mode(struct amdgpu_device *adev, bool enable)
{
u32 tmp = RREG32_SMC(ixGCK_DFS_BYPASS_CNTL);
if (enable)
tmp |= GCK_DFS_BYPASS_CNTL__BYPASSECLK_MASK;
else
tmp &= ~GCK_DFS_BYPASS_CNTL__BYPASSECLK_MASK;
WREG32_SMC(ixGCK_DFS_BYPASS_CNTL, tmp);
}
static int vce_v3_0_set_clockgating_state(void *handle,
enum amd_clockgating_state state)
{
@ -727,11 +719,6 @@ static int vce_v3_0_set_clockgating_state(void *handle,
bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
int i;
if ((adev->asic_type == CHIP_POLARIS10) ||
(adev->asic_type == CHIP_TONGA) ||
(adev->asic_type == CHIP_FIJI))
vce_v3_0_set_bypass_mode(adev, enable);
if (!(adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG))
return 0;

32
drivers/gpu/drm/amd/amdgpu/vi.c
View File

@ -788,7 +788,37 @@ static int vi_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
static int vi_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
{
/* todo */
int r, i;
struct atom_clock_dividers dividers;
u32 tmp;
r = amdgpu_atombios_get_clock_dividers(adev,
COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
ecclk, false, &dividers);
if (r)
return r;
for (i = 0; i < 100; i++) {
if (RREG32_SMC(ixCG_ECLK_STATUS) & CG_ECLK_STATUS__ECLK_STATUS_MASK)
break;
mdelay(10);
}
if (i == 100)
return -ETIMEDOUT;
tmp = RREG32_SMC(ixCG_ECLK_CNTL);
tmp &= ~(CG_ECLK_CNTL__ECLK_DIR_CNTL_EN_MASK |
CG_ECLK_CNTL__ECLK_DIVIDER_MASK);
tmp |= dividers.post_divider;
WREG32_SMC(ixCG_ECLK_CNTL, tmp);
for (i = 0; i < 100; i++) {
if (RREG32_SMC(ixCG_ECLK_STATUS) & CG_ECLK_STATUS__ECLK_STATUS_MASK)
break;
mdelay(10);
}
if (i == 100)
return -ETIMEDOUT;
return 0;
}